SparkFun LiPo Charger/Booster - 5V/1A is a no-nonsense circuit for generating one amp from a Lithium Polymer battery at 5V. This LiPo charger is a very economical choice that is equipped with a simple booster circuit utilizing the PAM2401 IC, and includes protection diodes so you can run multiple cells in series for an extra kick. While the booster circuit is in operation, this board can draw more current the lower the input voltage, making it perfect to deliver a strong charge in a small amount of time.
The circuit is constructed by feeding an MCP73831 charge controller IC to the LiPo port, and to the input of a PAM2401 boost controller. Multiple connection types are provided for the battery, charge source and switch to allow flexibility of application, and two LEDs provide feedback on system status. For getting more than 5V, the SparkFun LiPo Charger/Boosters can be daisy-chained together.
Note: This board does not possess any undervoltage or other battery protection features, so we do recommend that you use it only with batteries with a built-in protection circuit.
Features of SparkFun LiPo Charger/Booster - 5V/1A
- Charger, microUSB, 500mA
- Booster, 5V, 1A output
- Form factor for our 1,000mAh batteries
- Battery isolation switch with optional external connections
- Enable pin broken out
- Disabled current less than 10uA
- LED indicators for power and charge
- Super-clean output signal (high-frequency switching)
Package includes:
- 1 x SparkFun LiPo Charger/Booster - 5V/1A
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